(2) Final Exam Questions!

Just a few questions I need some help with! Also, I do have some of the previous Alter's and Alter's quizzes and lab worksheet answers if needed.

Question 8 of 60 1.667 Points

Chandra is a heavy smoker and has developed a single tumor of the lung. If the tumor were blocking airflow through a lung structure, which tumor location would most impair gas flow through the lung?
 A. Bronchiole.  
 
 B. Secondary bronchus.  
 
 C. Bronchus.  
 
 D. Alveolus.  
 
 E. Pleura.


Question 16 of 60 1.667 Points

Sheila found that each spring she was coughing and sneezing when in contact with grass pollen allergen. What is the difference between an allergen and an antigen?
 A. An allergen is a type of antibody whereas an antigen is not  
 
 B. An allergen is a set of symptoms whereas an antigen is a molecule  
 
 C. An allergen triggers an IgE response whereas an antigen triggers a cell-mediated immune response  
 
 D. An allergen is a type of antigen that does not provoke an immune response  
 
 E. An allergen is a type of antigen that is not harmful